4 This file is part of PulseAudio.
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 2 of the License,
9 or (at your option) any later version.
11 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with PulseAudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
31 #include <pulse/xmalloc.h>
33 #include <pulsecore/sink-input.h>
34 #include <pulsecore/gccmacro.h>
36 #include "play-memchunk.h"
38 static void sink_input_kill(pa_sink_input *i) {
40 assert(i && i->userdata);
43 pa_sink_input_disconnect(i);
44 pa_sink_input_unref(i);
46 pa_memblock_unref(c->memblock);
50 static int sink_input_peek(pa_sink_input *i, pa_memchunk *chunk) {
52 assert(i && chunk && i->userdata);
58 assert(c->memblock && c->memblock->length);
60 pa_memblock_ref(c->memblock);
65 static void si_kill(PA_GCC_UNUSED pa_mainloop_api *m, void *i) {
69 static void sink_input_drop(pa_sink_input *i, const pa_memchunk*chunk, size_t length) {
71 assert(i && length && i->userdata);
74 assert(!memcmp(chunk, c, sizeof(chunk)));
75 assert(length <= c->length);
81 pa_mainloop_api_once(i->sink->core->mainloop, si_kill, i);
87 const pa_sample_spec *ss,
88 const pa_channel_map *map,
89 const pa_memchunk *chunk,
94 pa_sink_input_new_data data;
100 if (volume && pa_cvolume_is_muted(volume))
103 pa_sink_input_new_data_init(&data);
106 data.driver = __FILE__;
107 pa_sink_input_new_data_set_sample_spec(&data, ss);
108 pa_sink_input_new_data_set_channel_map(&data, map);
109 pa_sink_input_new_data_set_volume(&data, volume);
111 if (!(si = pa_sink_input_new(sink->core, &data, 0)))
114 si->peek = sink_input_peek;
115 si->drop = sink_input_drop;
116 si->kill = sink_input_kill;
118 si->userdata = nchunk = pa_xnew(pa_memchunk, 1);
121 pa_memblock_ref(chunk->memblock);
123 pa_sink_notify(si->sink);